116 lines
2.7 KiB
Python
116 lines
2.7 KiB
Python
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# coding: utf-8
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from pandas.io.msgpack import packb, unpackb
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def check(length, obj):
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v = packb(obj)
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assert len(v) == length, \
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"%r length should be %r but get %r" % (obj, length, len(v))
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assert unpackb(v, use_list=0) == obj
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def test_1():
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for o in [None, True, False, 0, 1, (1 << 6), (1 << 7) - 1, -1,
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-((1 << 5) - 1), -(1 << 5)]:
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check(1, o)
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def test_2():
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for o in [1 << 7, (1 << 8) - 1, -((1 << 5) + 1), -(1 << 7)]:
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check(2, o)
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def test_3():
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for o in [1 << 8, (1 << 16) - 1, -((1 << 7) + 1), -(1 << 15)]:
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check(3, o)
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def test_5():
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for o in [1 << 16, (1 << 32) - 1, -((1 << 15) + 1), -(1 << 31)]:
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check(5, o)
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def test_9():
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for o in [1 << 32, (1 << 64) - 1, -((1 << 31) + 1), -(1 << 63), 1.0, 0.1,
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-0.1, -1.0]:
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check(9, o)
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def check_raw(overhead, num):
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check(num + overhead, b" " * num)
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def test_fixraw():
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check_raw(1, 0)
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check_raw(1, (1 << 5) - 1)
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def test_raw16():
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check_raw(3, 1 << 5)
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check_raw(3, (1 << 16) - 1)
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def test_raw32():
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check_raw(5, 1 << 16)
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def check_array(overhead, num):
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check(num + overhead, (None, ) * num)
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def test_fixarray():
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check_array(1, 0)
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check_array(1, (1 << 4) - 1)
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def test_array16():
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check_array(3, 1 << 4)
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check_array(3, (1 << 16) - 1)
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def test_array32():
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check_array(5, (1 << 16))
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def match(obj, buf):
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assert packb(obj) == buf
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assert unpackb(buf, use_list=0) == obj
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def test_match():
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cases = [
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(None, b'\xc0'),
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(False, b'\xc2'),
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(True, b'\xc3'),
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(0, b'\x00'),
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(127, b'\x7f'),
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(128, b'\xcc\x80'),
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(256, b'\xcd\x01\x00'),
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(-1, b'\xff'),
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(-33, b'\xd0\xdf'),
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(-129, b'\xd1\xff\x7f'),
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({1: 1}, b'\x81\x01\x01'),
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(1.0, b"\xcb\x3f\xf0\x00\x00\x00\x00\x00\x00"),
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((), b'\x90'),
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(tuple(range(15)), (b"\x9f\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09"
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b"\x0a\x0b\x0c\x0d\x0e")),
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(tuple(range(16)), (b"\xdc\x00\x10\x00\x01\x02\x03\x04\x05\x06\x07"
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b"\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f")),
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({}, b'\x80'),
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({x: x for x in range(15)},
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(b'\x8f\x00\x00\x01\x01\x02\x02\x03\x03\x04\x04\x05\x05\x06\x06\x07'
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b'\x07\x08\x08\t\t\n\n\x0b\x0b\x0c\x0c\r\r\x0e\x0e')),
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({x: x for x in range(16)},
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(b'\xde\x00\x10\x00\x00\x01\x01\x02\x02\x03\x03\x04\x04\x05\x05\x06'
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b'\x06\x07\x07\x08\x08\t\t\n\n\x0b\x0b\x0c\x0c\r\r\x0e\x0e'
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b'\x0f\x0f')),
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]
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for v, p in cases:
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match(v, p)
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def test_unicode():
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assert unpackb(packb('foobar'), use_list=1) == b'foobar'
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